As part of the selection of the anime short AU FIL DE L'EAU at RIFF (Rhode Island):

Award winning composer and producer Julia Pajot: There was no narration, dialogue, in this film, so when I scored it, I used musical sentences as if there were words. Instruments act as voices. I was really inspired by the concept of this film, personalizing water droplets this way, especially when the director gave me the storyboard and the animation.